A double girder EOT crane is a type of an EOT (Electric Overhead Traveling) crane used as one of the most important devices in today\'s transforming industry world. It is formed of a bridge-like structure that consists of two beams with a truck present at each end and a trolley hoist. These cranes are built to lift heavy loads that weigh more than 100 megatons and hence are more costly than single girder ones.
The advantages of using a Double Girder EOT Crane:
• These cranes are used in industries that require heavy weight lifting.
• Shipyards, dockyards, metal sites, railway sites, mining facilities, construction sites, etc., are some of the common industries where these cranes are seen.
• These cranes are highly efficient, run on electricity, and can be used both inside and outside of a facility. These cranes can be operated by a pendant, a radio remote, or by an individual in an operating cabin which is present in the crane.
• They offer longevity and more efficient usage than single girder EOT cranes.
Hoist - the lifting component of a crane
A hoist is the most important part of an overhead crane as it performs all lifting and lowering of a heavy load.
Hoists are mainly of two types:
• Wire rope hoist
• Chain hoist
Wire rope hoist:
A wire rope hoist uses wire to lift the load, the wire is wrapped around a grooved drum which spins, and the bulky load is lifted from the place. They offer a smooth and less-noisy procedure to lift than chain hoists. The Wire Rope Hoist are faster than chain hoists. Speaking of issues, these hoists are not built as strong as chain hoists are; they occupy more space due to the drum and are more costly than chain hoists.
Chain hoist:
Chain hoists consist of a metal chain to lift the heavy load, which gives them the main advantage of durability over a wire rope hoist. Another set of advantages would be their cost and low maintenance, which makes them more popular than wire rope hoists. They are powered via manpower, via electricity, or via air-pressure. They take lesser room than wire rope hoists as they lack the presence of a drum. They offer a higher lifting capacity than wire rope hoists. Speaking of the issues, the chain hoists generate more noise and have a slower mechanism than wire rope hoists.
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